PROBLEM TO BE SOLVED: To provide a biaxially oriented polyamide film which has excellent film characteristics necessary for packaging films such as an oxygen barrier property, flexural fatigue resistance and transparency, can prevent the deterioration and discoloration of contents when used as a packaging film for various goods, can protect the contents from impacts during transportation even at a low temperature, and is suitable for the use of the packaging.;SOLUTION: This biaxially oriented polyamide film characterized in that the measured dynamic viscoelasticity value tanδ in the width direction is ≥0.03 at a measurement temperature of 5°C and 0.06 to 0.08 at a measurement temperature of 23°C.;COPYRIGHT: (C)2002,JPO
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